Home / 46,890.95-70,321.73-13,613.31

Finding the Fourth Proportional to 46,890.95, 70,321.73 and 13,613.31

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Solution

The fourth proportional to 46,890.95, 70,321.73 and 13,613.31 is: 20,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,890.95 : 70,321.73 = 13,613.31 : x
  2. Step 2: Convert to fraction form
    46,890.95/70,321.73 = 13,613.31/x
  3. Step 3: Cross multiply
    46,890.95x = 70,321.73 × 13,613.31
  4. Step 4: Simplify right side
    46,890.95x = 957,311,442.16
  5. Step 5: Solve for x
    x = 957,311,442.16/46,890.95
  6. Step 6: Final answer
    x = 20,415.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.